Search a number
-
+
988426624889 = 11713347378127
BaseRepresentation
bin11100110001000101101…
…00010101111101111001
310111111022011002001110102
432120202310111331321
5112143244203444024
62034024340525145
7131261063454434
oct16304264257571
93444264061412
10988426624889
1135120a074980
1213b6920b07b5
13722926382a2
1435ba936081b
151aaa06b81ae
hexe622d15f79

988426624889 has 16 divisors (see below), whose sum is σ = 1093800278016. Its totient is φ = 885646717200.

The previous prime is 988426624817. The next prime is 988426624921.

988426624889 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-988426624889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988426624189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2424944 + ... + 2803070.

It is an arithmetic number, because the mean of its divisors is an integer number (68362517376).

Almost surely, 2988426624889 is an apocalyptic number.

It is an amenable number.

988426624889 is a deficient number, since it is larger than the sum of its proper divisors (105373653127).

988426624889 is a wasteful number, since it uses less digits than its factorization.

988426624889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381556.

The product of its digits is 764411904, while the sum is 74.

The spelling of 988426624889 in words is "nine hundred eighty-eight billion, four hundred twenty-six million, six hundred twenty-four thousand, eight hundred eighty-nine".

Divisors: 1 11 71 781 3347 36817 237637 378127 2614007 4159397 26847017 295317187 1265591069 13921501759 89856965899 988426624889